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Use the Given information to find the indicated angle measure.

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Use The Given Information To Find The Indicated Angle MeasureSHOW WORK PLEASE class=

Sagot :

Answer:

21) 86°

22) 23°

Step-by-step explanation:

21) Since Angle ADC is 135,

7x + (11x+9) = 135

18x + 9 = 135

18x = 126

x = 7

Since we have to find Angle BDC,

Substitute 'x = 7' into '11x+9':

11(7) + 9

= 77 + 9

= 86

22) Since Angle NRQ is 78,

(8x+7) + (4x-1) = 78

12x + 6 = 78

12x = 72

x = 6

Substituting 'x = 6' into '4x-1'

4(6) - 1

= 24 - 1

= 23

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